1.Kidnappersarerarelyinterestedinanimals,buttheyrecentlytookconsiderableinterestinMrs.EleanorRamsay'scat.

　　Kidnappers是主语,arerarelyinterestedin是谓语（对...并不感兴趣）,animals做宾语.

　　but连接两个句子表示转折,后面的they是主语,tookconsiderableinterestin是谓语,Mrs.EleanorRamsay'scat.是宾语.

　　2.Mrs.EleanorRamsay是主语,averywealthyoldlady是同位语,hasshared是谓语,aflatwithhercat是宾语,Rastus是猫的同位语,foragreatmanyyears.是时间状语.

　　3.Rastus是主语,leads是谓语,anorderlylife是宾语.

　　4.He是主语,takes是谓语,ashortwalk是宾语,intheevenings是状语,and是连词,连接两个谓语,is是谓语alwayshome是宾语,byseveno'clock时间状语.

　　5.Oneevening,时间状语,however,转折连词,he主语,failedtoarrive.谓语.

　　6.Mrs.Ramsay主语,got连系动词做谓语,veryworried是表语.She主语,lookedeverywherefor谓语,him是直接宾语,but是个连词,连接两个并列的谓语,couldnotfindhim.